/* ===========================================================
   DENTALIS — Kurumsal · Sade · Premium · 3D
   Ortak stil dosyası
   =========================================================== */
:root{
  --bg:#f6f7f9;
  --bg-soft:#eef1f4;
  --surface:#ffffff;
  --ink:#0d1b2a;
  --ink-soft:#46566b;
  --muted:#8190a3;
  --line:#e4e8ee;
  --accent:#0e7c86;      /* derin teal */
  --accent-2:#13a4b0;
  --accent-ink:#063b41;
  --gold:#b48a4a;
  --radius:18px;
  --radius-lg:26px;
  --maxw:1180px;
  --shadow:0 24px 60px -28px rgba(13,27,42,.28);
  --shadow-sm:0 12px 30px -18px rgba(13,27,42,.30);
  --ease:cubic-bezier(.22,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:'Manrope',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.display{font-family:'Fraunces','Georgia',serif;font-weight:500;letter-spacing:-.01em;line-height:1.12}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.accent{color:var(--accent)}
.serif{font-family:'Fraunces',serif}

/* eyebrow */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.74rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}
.eyebrow.center::after{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}
.eyebrow.center{justify-content:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:40px;font-family:'Manrope';font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.35s var(--ease)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(14,124,134,.6)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-2px)}

/* ===== header ===== */
header{position:fixed;top:0;left:0;right:0;z-index:60;transition:.4s var(--ease)}
header.scrolled{background:rgba(246,247,249,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;transition:.4s}
header.scrolled .nav{height:68px}
.logo{display:flex;align-items:center;gap:12px;font-family:'Fraunces';font-weight:600;font-size:1.3rem;color:var(--ink)}
.logo .mark{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--ink);transition:.4s}
.logo .mark svg{width:22px;height:22px}
.logo:hover .mark{background:var(--accent)}
nav.menu ul{display:flex;gap:34px;list-style:none;font-size:.95rem;font-weight:600}
nav.menu a{color:var(--ink-soft);position:relative;transition:.25s}
nav.menu a:hover,nav.menu a.active{color:var(--ink)}
nav.menu a.active::after{content:"";position:absolute;left:0;bottom:-7px;width:100%;height:2px;background:var(--accent);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:16px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-cta{display:none}   /* yalnızca mobil hamburger menüsünde görünür */

/* ===== page hero (inner pages) ===== */
.page-hero{position:relative;padding:160px 0 70px;text-align:center}
.page-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);margin-bottom:18px}
.page-hero p{color:var(--ink-soft);font-size:1.1rem;max-width:560px;margin:0 auto}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:26px}
.crumbs a:hover{color:var(--accent)}

/* ===== home hero ===== */
.hero{position:relative;min-height:100vh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;padding-top:110px}
.hero .copy .badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:40px;background:var(--surface);border:1px solid var(--line);font-size:.8rem;font-weight:600;color:var(--ink-soft);margin-bottom:28px;box-shadow:var(--shadow-sm)}
.hero .badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(14,124,134,.16)}
.hero h1{font-size:clamp(2.7rem,5.4vw,4.6rem);margin-bottom:24px}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero .lead{font-size:1.14rem;color:var(--ink-soft);max-width:480px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:42px;flex-wrap:wrap}
.hero-stats .num{font-family:'Fraunces';font-size:2.1rem;color:var(--ink)}
.hero-stats .lbl{font-size:.82rem;color:var(--muted)}

/* 3D canvas stage */
.stage{position:relative;height:600px}
.stage canvas{width:100%;height:100%;display:block;cursor:grab}
.stage canvas:active{cursor:grabbing}
.stage .halo{position:absolute;inset:0;margin:auto;width:440px;height:440px;border-radius:50%;background:
   radial-gradient(circle,rgba(13,27,42,.10),rgba(19,164,176,.16) 40%,transparent 66%);
   filter:blur(4px);z-index:-1;
   box-shadow:inset 0 0 120px rgba(19,164,176,.25)}
.stage::before{content:"";position:absolute;inset:0;margin:auto;width:300px;height:300px;border-radius:50%;
   background:radial-gradient(circle at 50% 38%,rgba(255,255,255,.9),rgba(225,238,242,.5) 55%,transparent 72%);
   z-index:-1;filter:blur(2px)}
.stage .chip{position:absolute;background:rgba(255,255,255,.78);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:14px;padding:11px 15px;font-size:.82rem;font-weight:600;box-shadow:var(--shadow-sm);display:flex;gap:10px;align-items:center}
.stage .chip small{display:block;color:var(--muted);font-weight:500;font-size:.72rem}
.stage .chip .pin{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.chip.c1{top:12%;left:0}
.chip.c2{bottom:16%;right:2%}
.chip.c3{bottom:4%;left:6%}
.stage .hint{position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);font-size:.76rem;color:var(--muted);display:flex;align-items:center;gap:7px}

/* ===== sections ===== */
section{position:relative;padding:104px 0}
.sec-head{max-width:620px;margin-bottom:58px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(2rem,3.8vw,3rem);margin-bottom:16px}
.sec-head p{color:var(--ink-soft);font-size:1.06rem}

/* logo / trust strip */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.strip .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;align-items:center}
.strip span{font-family:'Fraunces';font-size:1.02rem;color:var(--muted);font-weight:500}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.reverse .visual{order:2}
.visual-card{position:relative;border-radius:var(--radius-lg);background:linear-gradient(160deg,#0d1b2a,#11303a);height:460px;overflow:hidden;box-shadow:var(--shadow)}
.visual-card canvas{width:100%;height:100%;display:block}
.visual-card .scan{position:absolute;left:0;right:0;height:140px;background:linear-gradient(180deg,transparent,rgba(19,164,176,.20),transparent);animation:scan 3.4s ease-in-out infinite;pointer-events:none}
@keyframes scan{0%,100%{top:-140px}50%{top:100%}}
.checklist{list-style:none;display:grid;gap:18px;margin-top:28px}
.checklist li{display:flex;gap:14px;align-items:flex-start}
.checklist .tk{flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--accent);color:#fff;font-size:.78rem;font-weight:700}
.checklist b{display:block}
.checklist span{color:var(--ink-soft);font-size:.94rem}

/* cards grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:.4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;background:var(--bg-soft);transition:.35s}
.card:hover .ico{background:var(--accent)}
.card .ico svg{width:26px;height:26px;stroke:var(--accent);transition:.35s}
.card:hover .ico svg{stroke:#fff}
.card h3{font-size:1.28rem;margin-bottom:10px}
.card p{color:var(--ink-soft);font-size:.95rem}
.card .link{margin-top:16px;font-size:.85rem;font-weight:700;color:var(--accent);display:inline-flex;gap:6px;align-items:center}

/* numbered steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{padding:30px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);position:relative}
.step .n{font-family:'Fraunces';font-size:2.4rem;color:var(--accent);opacity:.5;margin-bottom:10px}
.step h4{font-size:1.12rem;margin-bottom:8px;font-family:'Manrope';font-weight:700}
.step p{color:var(--ink-soft);font-size:.9rem}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.member{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.4s var(--ease)}
.member:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.member .photo{height:300px;background:linear-gradient(160deg,#dfe6ea,#eef2f4);display:grid;place-items:center;font-size:5rem;position:relative}
.member .photo::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 30%,rgba(14,124,134,.12),transparent 60%)}
.member .info{padding:24px 26px}
.member h4{font-size:1.25rem;font-family:'Fraunces';margin-bottom:4px}
.member .role{color:var(--accent);font-size:.86rem;font-weight:700;margin-bottom:12px}
.member p{color:var(--ink-soft);font-size:.92rem}
.member .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.member .tags span{font-size:.74rem;padding:5px 11px;border-radius:30px;background:var(--bg-soft);color:var(--ink-soft);font-weight:600}

/* stat band */
.statband{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.statband .num{font-family:'Fraunces';font-size:clamp(2.4rem,4vw,3.4rem);color:var(--ink)}
.statband .lbl{color:var(--ink-soft);font-size:.92rem}

/* quote / testimonial */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.quote .stars{color:var(--gold);letter-spacing:3px;margin-bottom:14px}
.quote p{font-size:1rem;margin-bottom:20px}
.quote .who{display:flex;gap:12px;align-items:center}
.quote .av{width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700}
.quote .who b{display:block;font-size:.95rem}
.quote .who small{color:var(--muted)}

/* faq */
.faq{max-width:780px;margin:0 auto;display:grid;gap:14px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 24px;transition:.3s}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:700;display:flex;justify-content:space-between;align-items:center;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--accent);transition:.3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--ink-soft);padding:0 0 22px;font-size:.96rem}

/* CTA band */
.cta-band{position:relative;border-radius:var(--radius-lg);background:linear-gradient(150deg,#0d1b2a,#0e7c86);color:#fff;padding:72px 56px;overflow:hidden;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.cta-band .glow{position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(19,164,176,.5),transparent 60%);top:-220px;right:-120px}
.cta-band h2{font-size:clamp(1.9rem,3.4vw,2.8rem);position:relative;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);position:relative;max-width:440px}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;justify-content:flex-end}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.info-list{display:grid;gap:22px;margin-top:10px}
.info-item{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.info-item .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-soft);display:grid;place-items:center;flex:0 0 auto}
.info-item .ic svg{width:22px;height:22px;stroke:var(--accent)}
.info-item b{display:block;margin-bottom:2px}
.info-item span{color:var(--ink-soft);font-size:.94rem}
form.card{padding:36px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:12px;font-family:'Manrope';font-size:.95rem;background:var(--bg);color:var(--ink);transition:.25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(14,124,134,.1)}
.field textarea{resize:vertical;min-height:120px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.map{height:300px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:30px;filter:grayscale(.2)}
.map iframe{width:100%;height:100%;border:0}

/* values / about */
.value{display:flex;gap:18px;padding:26px 0;border-bottom:1px solid var(--line)}
.value .vn{font-family:'Fraunces';font-size:1.5rem;color:var(--accent);flex:0 0 50px}
.value h4{font-size:1.15rem;font-family:'Manrope';font-weight:700;margin-bottom:6px}
.value p{color:var(--ink-soft);font-size:.95rem}

/* ===== footer ===== */
footer{background:var(--ink);color:#cdd6e2;padding:72px 0 34px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;margin-bottom:50px}
footer .logo{color:#fff}
footer .logo .mark{background:#fff}
footer .logo .mark svg path{fill:var(--ink)}
.foot-grid p{color:#92a0b3;font-size:.92rem;max-width:300px;margin-top:18px}
.foot-col h5{color:#fff;font-size:.95rem;margin-bottom:16px;font-family:'Manrope';font-weight:700}
.foot-col a{display:block;color:#92a0b3;font-size:.92rem;margin-bottom:11px;transition:.2s}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#7f8da0;font-size:.85rem}
.made-by{border-top:1px solid rgba(255,255,255,.08);margin-top:22px;padding-top:22px;text-align:center;color:#8493a6;font-size:.85rem}
.made-by a{color:#fff;font-weight:700;transition:.2s}
.made-by a:hover{color:var(--accent-2)}

/* ===== photos / images ===== */
.member .photo{overflow:hidden}
.member .photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;transition:.5s var(--ease)}
.member:hover .photo img{transform:scale(1.05)}
.member .ph-fallback{position:relative;z-index:0}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px}
.gallery figure{position:relative;border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,#dfe6ea,#eef2f4)}
.gallery figure.tall{grid-row:span 2}
.gallery figure.wide{grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px;color:#fff;font-weight:600;font-size:.9rem;background:linear-gradient(transparent,rgba(13,27,42,.7));opacity:0;transition:.35s}
.gallery figure:hover figcaption{opacity:1}

/* photo card (with image on top) */
.photo-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;height:420px;background:linear-gradient(160deg,#0d1b2a,#11303a);box-shadow:var(--shadow)}
.photo-card img{width:100%;height:100%;object-fit:cover}
.photo-card .tag{position:absolute;top:18px;left:18px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);padding:8px 16px;border-radius:30px;font-size:.8rem;font-weight:700;color:var(--ink)}

/* ===== blog ===== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.4s var(--ease);display:flex;flex-direction:column}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post .thumb{height:210px;background:linear-gradient(160deg,#dfe6ea,#eef2f4);position:relative;overflow:hidden}
.post .thumb img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.post:hover .thumb img{transform:scale(1.06)}
.post .thumb .cat{position:absolute;top:14px;left:14px;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;padding:5px 12px;border-radius:30px}
.post .body{padding:24px 26px;display:flex;flex-direction:column;flex:1}
.post .meta{font-size:.78rem;color:var(--muted);margin-bottom:10px;display:flex;gap:12px}
.post h3{font-size:1.22rem;margin-bottom:10px;line-height:1.25}
.post p{color:var(--ink-soft);font-size:.92rem;flex:1}
.post .link{margin-top:16px;font-size:.85rem;font-weight:700;color:var(--accent)}
.post.featured{grid-column:span 3;flex-direction:row}
.post.featured .thumb{width:50%;height:auto;min-height:320px}
.post.featured .body{width:50%;justify-content:center;padding:42px}
.post.featured h3{font-size:1.9rem;font-family:'Fraunces'}

/* article body */
.article{max-width:760px;margin:0 auto}
.article .lead-img{height:420px;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:40px;background:linear-gradient(160deg,#dfe6ea,#eef2f4)}
.article .lead-img img{width:100%;height:100%;object-fit:cover}
.article h2{font-size:1.8rem;margin:36px 0 14px}
.article h3{font-size:1.35rem;margin:28px 0 12px;font-family:'Manrope';font-weight:700}
.article p{color:var(--ink-soft);margin-bottom:18px;font-size:1.05rem}
.article ul{color:var(--ink-soft);margin:0 0 18px 22px;display:grid;gap:8px}
.article blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 24px;margin:24px 0;font-family:'Fraunces';font-size:1.3rem;color:var(--ink);font-style:italic}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:30px;display:flex;gap:14px;justify-content:center}

@media(max-width:960px){
  .blog-grid{grid-template-columns:1fr 1fr}
  .post.featured{grid-column:span 2;flex-direction:column}
  .post.featured .thumb,.post.featured .body{width:100%}
  .post.featured .thumb{min-height:240px}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .blog-grid{grid-template-columns:1fr}
  .post.featured{grid-column:span 1}
}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:.85s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}

/* responsive */
@media(max-width:960px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:130px}
  .hero .stage{height:440px;order:-1}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-actions,.hero-stats{justify-content:center}
  .split{grid-template-columns:1fr;gap:40px}
  .split.reverse .visual{order:0}
  .grid-3,.team-grid,.quotes{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .statband{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;text-align:center}
  .cta-band .actions{justify-content:center}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.menu ul{display:none}
  .burger{display:flex}
  nav.menu.open ul{display:flex;position:fixed;top:68px;left:0;right:0;flex-direction:column;background:#fff;padding:24px 28px;gap:20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:80}
}
@media(max-width:600px){
  .grid-3,.grid-2,.team-grid,.quotes,.steps,.statband,.foot-grid,.two{grid-template-columns:1fr}
  .cta-band,form.card{padding:40px 26px}
  section{padding:74px 0}
  .nav-right .btn{display:none}            /* header CTA mobilde gizli; hamburger menüsüne taşındı */
  .menu-cta{display:block;margin-top:8px}
  .menu-cta .btn{display:flex;width:100%;justify-content:center}
  .wrap{padding:0 20px}
  .stage{height:380px}
  .stage .halo{width:280px;height:280px}
  .stage::before{width:220px;height:220px}
  .stage .chip{transform:scale(.86)}
  .foot-bottom{justify-content:center;text-align:center}
  .gallery{grid-template-columns:1fr;grid-auto-rows:180px}
  .page-hero{padding:140px 0 50px}
}